Sleep Bruxism and Obstructive Sleep Apnea – Shared Pathophysiology or Coincidence?
Introduction: Sleep bruxism (SB) is a jaw-muscle activity during sleep while obstructive sleep apnea (OSA) is a disorder of recurrent upper airway collapse during sleep [5, 1]. Recent research has noted frequent co-occurrence of SB in OSA patients. Aim: This narrative review examines the relations...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Nicolaus Copernicus University in Toruń
2025-05-01
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| Series: | Quality in Sport |
| Subjects: | |
| Online Access: | https://apcz.umk.pl/QS/article/view/60146 |
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| Summary: | Introduction: Sleep bruxism (SB) is a jaw-muscle activity during sleep while obstructive sleep apnea (OSA) is a disorder of recurrent upper airway collapse during sleep [5, 1]. Recent research has noted frequent co-occurrence of SB in OSA patients.
Aim: This narrative review examines the relationship between SB and OSA to determine if SB and OSA share underlying mechanisms or simply coexist by chance.
Materials and Methods: A literature review was conducted using the databases such as Pubmed and Google Scholar.
State of knowledge: SB was prevalent in about one-third to one-half of OSA patients across studies [5, 6]. Mild-moderate OSA is associated with significantly higher SB activity than severe OSA [6, 12]. Both conditions share risk factors, and OSA itself has been identified as an independent risk factor for SB [6, 3]. Notably, treating OSA can lead to significant reductions in SB episode frequency [15, 11].
Conclusions: SB and OSA frequently co-occur and exhibit intertwined pathophysiology in certain patients. Awareness of this association is important: OSA may be one of the most frequent modifiable triggers of SB [6], and treating OSA can alleviate SB in those cases [11, 13]. An interdisciplinary approach involving dentists and sleep physicians is recommended to identify and manage coexisting SB and OSA [14].
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| ISSN: | 2450-3118 |